Last updated: March 2, 2024
The weather in Penzance, United Kingdom, during December is characterized by an average temperature of 10°C (51°F). Highs can soar to 14°C (57°F), while lows may dip to 6°C (43°F). Typically, the humidity level in Penzance throughout December hovers around 81%.
Minimum temperature
Average temperature
Maximum temperature
Humidity
In December, Penzance averages 138 mm (5.4 inches) of rainfall, typically over the course of 21 rainy days. The month enjoys an average of 8 hours 7 minutes of daylight, with the sun shining for approximately 3 hours 51 minutes each day. Additionally, there is a 21% probability of sunny days during this period.
Precipitation
Rainy days
Sunshine hours
Chance of sun
In December, the UV Index in Penzance reaches a maximum of 1, indicating a level of Low exposure. The most intense UV radiation typically occurs between 08:00 and 10:00, during which unprotected skin may burn in as little as 45 minutes.
| 07:00 | 08:00 | 09:00 | 10:00 | 11:00 | 12:00 | 13:00 | 14:00 | 15:00 | 16:00 | 17:00 | 18:00 | 19:00 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| UVI | 0 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 0 | 0 | 0 |
| Exposure | Low | ||||||||||||
| Time to burn | 45 min | ||||||||||||